Home / 1,405,428.02-2,108,134.47-340,469.54

Finding the Fourth Proportional to 1,405,428.02, 2,108,134.47 and 340,469.54

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Solution

The fourth proportional to 1,405,428.02, 2,108,134.47 and 340,469.54 is: 510,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,428.02 : 2,108,134.47 = 340,469.54 : x
  2. Step 2: Convert to fraction form
    1,405,428.02/2,108,134.47 = 340,469.54/x
  3. Step 3: Cross multiply
    1,405,428.02x = 2,108,134.47 × 340,469.54
  4. Step 4: Simplify right side
    1,405,428.02x = 717,755,573,259.04
  5. Step 5: Solve for x
    x = 717,755,573,259.04/1,405,428.02
  6. Step 6: Final answer
    x = 510,702.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.